ISOTOPOLOGUES OF DENSE GAS TRACERS IN NGC 1068
文献类型：期刊论文
| 作者 | Wang, Junzhi1,2; Zhang, Zhi-Yu3,4; Qiu, Jianjie1; Shi, Yong5; Zhang, Jiangshui6; Fang, Min4,7
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| 刊名 | ASTROPHYSICAL JOURNAL
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| 出版日期 | 2014-11-20 |
| 卷号 | 796期号:1 |
| 关键词 | galaxies: active galaxies: individual (NGC 1068) galaxies: ISM |
| 英文摘要 | We present observations of isotopic lines of dense gas tracers toward the nuclear region of nearby Seyfert 2 galaxy NGC 1068 with the IRAM 30 m telescope and the Atacama Pathfinder Experiment (APEX) 12 m telescope. We detected four isotopic lines ((HCN)-C-13 1-0, (HCO+)-C-13 1-0, (HNC)-C-13 1-0, and (HCO+)-O-18 1-0) at the 3 mm band with the IRAM 30m telescope and obtained upper limits of other lines. We calculated optical depths of dense gas tracers with the detected isotopic lines of HCN 1-0, HCO+ 1-0, and HNC 1-0. We find that the N-14/N-15 abundance ratio is greater than 420 if we adopt the upper limit of (HCN)-N-15(1-0) emission. Combining this with fluxes of 1-0 lines from IRAM 30 m observations and the upper limit of 3-2 lines from APEX 12 m observations, we also estimated the excitation condition of molecular gas in the nuclear region of NGC 1068, which is less dense than that in the extreme starburst regions of galaxies. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 类目[WOS] | Astronomy & Astrophysics |
| 研究领域[WOS] | Astronomy & Astrophysics |
| 关键词[WOS] | NUCLEAR STARBURST ENVIRONMENT ; MOLECULAR LINE SURVEY ; INFRARED GALAXIES ; NEARBY GALAXIES ; STAR-FORMATION ; (CO)-C-13 ; EMISSION ; MERGERS ; RATIO ; NUCLEOSYNTHESIS |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000344550300057 |
| 源URL | [http://libir.pmo.ac.cn/handle/332002/15623]  |
| 专题 | 紫金山天文台_分子云与恒星形成研究团组 |
| 作者单位 | 1.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China 2.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Jiangsu, Peoples R China 3.Univ Edinburgh, Royal Observ, Inst Astron, Edinburgh EH9 3HJ, Midlothian, Scotland 4.ESO, D-85748 Garching, Germany 5.Nanjing Univ, Sch Astron & Space Sci, Nanjing 210093, Jiangsu, Peoples R China 6.GuangZhou Univ, Ctr Astrophys, Guangzhou 510006, Guangdong, Peoples R China 7.Univ Autonoma Madrid, Dept Fis Teor, E-28049 Madrid, Spain |
| 推荐引用方式 GB/T 7714 | Wang, Junzhi,Zhang, Zhi-Yu,Qiu, Jianjie,et al. ISOTOPOLOGUES OF DENSE GAS TRACERS IN NGC 1068[J]. ASTROPHYSICAL JOURNAL,2014,796(1). |
| APA | Wang, Junzhi,Zhang, Zhi-Yu,Qiu, Jianjie,Shi, Yong,Zhang, Jiangshui,&Fang, Min.(2014).ISOTOPOLOGUES OF DENSE GAS TRACERS IN NGC 1068.ASTROPHYSICAL JOURNAL,796(1). |
| MLA | Wang, Junzhi,et al."ISOTOPOLOGUES OF DENSE GAS TRACERS IN NGC 1068".ASTROPHYSICAL JOURNAL 796.1(2014). |
入库方式： OAI收割
来源：紫金山天文台
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